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08:28:04 - 04/19/2024
Dakota Performance
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Duper
Dodge Dakota
JOIN HERE
12/15/2002
21:59:14
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 Subject: Cool air scoop?
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Message:
I've got an Airaid that I recently installed on my 2000 Dakota 4.7L that doesn't quite seem to make sense. It has a cool air dam that is open on one side and doesn't go all the way up to the hood due to the shape of the hood supports. This set up is supposed to use the bottom portion of the filter box, including the tube that pulls cool air from over behind the passenger side headlight. I started to look closely at the area that this tube is supposed to pull cool air from. It is a closed area with no significant sized openings to the outside air. A few screw sized holes and a small gap underneath the headlight....that's all I can find. It makes no sense. Where is all this cool air supposed to be coming from?
Four questions: 1) It seems to me the factory system is flawed and would be pulling hot air anyway since there is not significant outside air source.
2) The Airaid system seems to have the same flaw. A three sided box without an air tight lid is just going to pull hot air as well isn't it?
3) Any system with the Z pipe or K&N type pipe with a large filter will certainly breathe more. But, I would think the filter routed down next to the radiator would be a poor design and pull very hot air, wouldn't it?
4) With all this in mind, does anyone make or has anyone experimented with a scoop and duct coming up from under the front bumper or wheel well that actually pulls cool air directly onto the filter element?
It seems to me these high dollar intake pipe mods won't see the full benefit until they get fed some air from outside the engine compartment? What do you guys think?
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Aaro
Dodge Dakota
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12/15/2002
23:40:24
|  RE: Cool air scoop?
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Message:
The air comes into the factory air box from the base of the windshield , a cowl induction type system.
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BigBlue QC
GenIII
12/16/2002
08:10:56
| RE: Cool air scoop?
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Message:
A quote from one of these air intake manufactureres. You decide if theses aftermarket systems are worth the money.
"Unless you plan on doing in excess of 200mph you really don't do any measurable "forcing" of air into the intake system. There is no difference in the performance of either the front facing inlet as used on the 98-99 intakes or the fender inlet of the 2000+ models. With the 98-99 version there aren't the AC lines that get in the way, but for the 2000+ models you would have to contend with getting through them to get out the front. Also, there is actually quite a bit of airflow into the inner fender coming from back at the base of the
windshield which is also a high pressure area. "
2002 QC 4x4 Sport Plus, 4.7L, auto, Patriot Blue, Tire & Handling group,
Heavy Duty Service group, Leer cap w/out windows, Mopar Step bars and roof rack, Rhino liner in bed and on step bars, Pace Edwards Power Tailgate lock
3.55 rear, 4-wheel anti-lock brakes, all possible fluids are AMSOIL
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Duper
Dodge Dakota
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12/16/2002
12:53:29
| RE: Cool air scoop?
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Message:
OK, I found the source of the air that you were talking about, although I'm still trying to figure out how that would work as a high pressure area. I quite agree with the lack of any real effect from a ram air set up but it would seem to be a good idea to over pressurize that air filter to keep the hot air from finding it's way around and over this cool air dam (that appears marginal in its ability to block hot air).
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